DESC: Contoured case for comfortable fit A fast and convenient alternative to view your favorite photos anywhere and anytime! So easy to use, the 'plug and play' rechargeable "'watch" includes a USB cord, and holds from 40 to 120 pictures, depending on the model It takes seconds to choose and upload your favorite pictures from your computer to the Photowatch. Even edit your pictures in seconds. With only 3 buttons on the watch - on/off plus an up & down button, plus there is NO CD required to download software!